uraninite

noun ura·ni·nite \ yu̇-ˈrā-nə-ˌnīt \

Definition of uraninite

: a black octahedral mineral that consists of an oxide of uranium which usually contains thorium, lead, and rare earth elements and is the chief ore of uranium

Origin and Etymology of uraninite

German Uranin uraninite (from New Latin uranium) + English -ite


Medical Dictionary

uraninite

noun ura·ni·nite \ yu̇-ˈrā-nə-ˌnīt \

medical Definition of uraninite

: a mineral that is basically a black octahedral or cubic oxide of uranium containing lead, thorium, and rare earth elements and that is the chief ore of uranium

Learn More about uraninite


Seen and Heard

What made you want to look up uraninite? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to laugh loudly or immoderately

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman-tablet
  • What did focus mean in Latin?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!